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Breeding of Daepoongjam, a Sex-limited Larval Marking and High Silk Yielding Silkworm Variety for Spring Rearing Season  

Kang, Pil-Don (Department of Agricultural Biology, The National Institute of Agricultural Science & Technology, Rural Development Administration)
Lee, Sang-Uk (Department of Agricultural Biology, The National Institute of Agricultural Science & Technology, Rural Development Administration)
Jung, I-Yeon (Department of Agricultural Biology, The National Institute of Agricultural Science & Technology, Rural Development Administration)
Kim, Kee-Young (Department of Agricultural Biology, The National Institute of Agricultural Science & Technology, Rural Development Administration)
Kim, Mi-Ja (Department of Agricultural Biology, The National Institute of Agricultural Science & Technology, Rural Development Administration)
Hong, In-Pyo (Department of Agricultural Biology, The National Institute of Agricultural Science & Technology, Rural Development Administration)
Kim, Young-Dae (Department of Agricultural Biology, The National Institute of Agricultural Science & Technology, Rural Development Administration)
Lee, Heui-Sam (Department of Agricultural Biology, The National Institute of Agricultural Science & Technology, Rural Development Administration)
Publication Information
Journal of Sericultural and Entomological Science / v.48, no.2, 2006 , pp. 37-40 More about this Journal
Abstract
A new silkworm variety "Daepoongjam" for spring rearing season is $F_1$ hybrid between Jam151, a Japanese race bred from introduction breeding and Jam152, a Chinese race from introduction breeding. In the local adaptatability test performed at 8local areas in spring of 2005, the heavy cocoon yield of "Daepoongjam" was recorded 6% higher than "Kumokjam". The concentration of Deokynojirimycin (DNJ) was measured 4.22 mg in "Daepoongjam", similar to "Kumokjam" (4.26 mg). In the Peacilomyces tenuipes production ability test, the pupal weight of "Daepoongjam" was 1.61 g/individual 13% heavier than "Kumokjam" (1.41 g/individual)
Keywords
Silkworm; Breeding; Combining ability; Sex-limited larval marking;
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